ICP-AES Determination of 15 Impurity Elements in V-Al Alloy
Yong Cheng
Abstract
Yong Cheng
Abstract
A method for the determination of 15 impurity elements including B,W,Si,Fe,Pb,Sn,As,Ni, Cr,Co,Cu,P,Mn,Mg and Mo,in V-Al alloy by ICP-AES was proposed.The spectral interferences were corrected by selection of analytical spectral lines and background correction positions;and matrix interferences were eliminated by the use of matrix-matching and synchronous background correctioa Values of detection limit(3s) of the method and of background equivalent concentration were found in ranges of 5.0-100μg·L~(-1) and 5 - 95μg·L~(-1) respectively.The proposed method was applied to the analysis of samples of V-Al alloys,and the results obtained were in consistency with those obtained by GfE Company.Values of recovery of the method were found in the range of 95.3%-110%,and values of RSD's(n = 8) were found5.0%(ω≥0.010%) and9.0%(ω= 0.001%~0.010%).
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A method for the determination of 15 impurity elements including B,W,Si,Fe,Pb,Sn,As,Ni, Cr,Co,Cu,P,Mn,Mg and Mo,in V-Al alloy by ICP-AES was proposed.The spectral interferences were corrected by selection of analytical spectral lines and background correction positions;and matrix interferences were eliminated by the use of matrix-matching and synchronous background correctioa Values of detection limit(3s) of the method and of background equivalent concentration were found in ranges of 5.0-100μg·L~(-1) and 5 - 95μg·L~(-1) respectively.The proposed method was applied to the analysis of samples of V-Al alloys,and the results obtained were in consistency with those obtained by GfE Company.Values of recovery of the method were found in the range of 95.3%-110%,and values of RSD's(n = 8) were found5.0%(ω≥0.010%) and9.0%(ω= 0.001%~0.010%).
Key concepts: Impurity, Alloy, Analytical Chemistry (journal), Detection limit, Matrix (chemical analysis), Inductively coupled plasma atomic emission spectroscopy, Materials science, Consistency (knowledge bases)